A company manufactures a certain product. Each unit produced requires 1.5 hours of labor and 0.75 pounds of raw material. The cost of raw material is $2.00perpound.Forevery100unitsproduced,thecompanyincursafixedoverheadcostof$50. If $L$ represents the total labor hours required to produce $N$ units of the product, which of the following expresses $L$ in terms of $N$?